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