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