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