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