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