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