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