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