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