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