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