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