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)(11,17)(12,18)(13,19)(14,16)(15,20)(21,24)(22,23)(5,7,8,6)(10,16)(12,17)(13,14)(18,23)(19,20)(22,24)(2,4)(9,11,15,21)(10,17,20,24)(12,19,22,16)(13,23,14,18)(9,12)(10,18)(11,19)(13,17)(14,24)(15,22)(16,21)(20,23) involution — undirected(9,13,15,14)(10,16,20,19)(11,18,21,23)(12,17,22,24)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.