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