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)(11,13)(12,14)(15,16)(17,18,19,21)(20,22,24,23)(1,3,4,8)(2,5,6,7)(9,11)(10,13)(12,15)(14,16)(18,21)(22,23)(11,15)(13,16)(18,22)(20,24)(21,23) involution — undirected(3,8)(5,7)(10,14)(11,15) involution — undirected(2,6)(5,7)(11,15)(13,16)(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.