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