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