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