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