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