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