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