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