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