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