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