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