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