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