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