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