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