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