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