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