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