One vertex per element, one color per generator, with an edge from x to x·s.
(9,10,14,16)(11,12,15,13)(17,18)(19,25)(20,24)(21,23)(22,26)(27,31)(28,30)(29,32)(1,2)(3,7)(4,6)(5,8)(9,11,14,15)(10,13,16,12)(18,23)(19,26)(24,30)(27,32)(1,3)(2,5)(4,8)(6,7)(9,10)(11,12)(13,15)(14,16)(17,19,25,18,21,26,22,23)(20,27,31,24,28,32,29,30)(2,6)(3,8)(9,12,14,13)(10,15,16,11)(17,20,21,28)(18,24,23,30)(19,27,26,32)(22,29,25,31)(2,6)(5,7)(9,13,14,12)(10,15,16,11)(18,23)(19,26)(20,28)(29,31)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.