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