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