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