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