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