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