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