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