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