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