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