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