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