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