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