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