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