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)(11,17)(12,14)(13,22)(15,21)(16,23)(18,19)(20,24)(9,11)(10,15)(12,18)(13,19)(14,20)(16,24)(17,22)(21,23) involution — undirected(2,4)(9,12,14,10)(11,18,20,15)(13,22,23,16)(17,21,24,19)(11,19)(13,23)(15,24)(16,22)(17,18)(20,21) involution — undirected(5,7,8,6)(10,12)(11,20)(16,22)(19,21)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.