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