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