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)(11,14)(12,15,19,22)(13,16)(17,20,23,24)(18,21)(1,3)(2,5)(4,8)(6,7)(9,11)(10,14)(12,17)(13,18)(15,20)(16,21)(19,23)(22,24) involution — undirected(9,12)(10,15,16,22)(11,17)(13,19)(14,20,21,24)(18,23)(3,8)(5,7)(9,11)(10,14)(12,17)(13,18)(15,20)(16,21)(19,23)(22,24) involution — undirected(2,6)(5,7)(11,18)(14,21)(17,23)(20,24) 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.