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