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