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