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