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