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