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