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