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