One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,4,5)(3,6,7,8)(9,10,15,14)(11,12,13,16)(17,18)(19,29)(20,31)(21,26)(22,27)(23,28)(24,30)(25,32)(2,5)(6,8)(9,11,15,13)(10,16,14,12)(17,19,21,25,23,31,22,30)(18,24,27,20,28,32,26,29)(1,3,4,7)(2,6,5,8)(9,12,15,16)(10,11,14,13)(17,20,22,24,23,29,21,32)(18,25,26,19,28,30,27,31)(9,13,15,11)(10,16,14,12)(17,21,23,22)(18,26,28,27)(19,25,31,30)(20,24,29,32)(9,14,15,10)(11,12,13,16)(17,21,23,22)(18,26,28,27)(19,30,31,25)(20,32,29,24)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.