I tried to find a way to do that by turning a 44mag into a 445supermag. Basically the same principle, except in 44 caliber as opposed to 357. I could never find a way to do that, that I thought would work. I did talk to someone who did the 357mag to 357max on a Winchester (92 I believe, but I am not sure) but it took a long time and he had a lot of trouble with it (kept breaking the lifter because so much metal had to be cut to allow for the longer round). Finally the light came on. Instead of going from a shorter round to a longer one, I decided going from a longer round to a shorter one would work better. So I took a Marlin 444 and had a gunsmith set back the barrel at the reciver end. When you set back a barrel on the threaded end, you of course remove part or all of the chamber. I then had the gunsmith rechamber the gun for the 445supermag. I modified the cartridge lifter myself by adding a short steel block to the cartridge stop on the lifter to fit the shorter round. I have thought of doing the same thing with a 35 Remington and converting it to 357max, but I don't know it that would work since there is so much difference in the diameter of the case rim between the 357mag and the 35rem. It may require the bolt face to be reworked which would be a lot more expensive process.
Hope that helps,
Roll Tide