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