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