One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,5,7)(3,4,8,6)(9,10,14,13)(11,16,12,15)(17,18)(19,22)(20,21)(23,24)(27,31)(28,32)(1,3,5,8)(2,6,7,4)(10,13)(15,16)(17,19,23,21)(18,20,24,22)(25,26,30,29)(27,28,31,32)(9,11,14,12)(10,15,13,16)(17,20,23,22)(18,21,24,19)(25,27)(26,28)(29,32)(30,31)(1,4)(2,3)(5,6)(7,8)(9,12,14,11)(10,16,13,15)(17,21,23,19)(18,20,24,22)(25,28,30,32)(26,31,29,27)(1,3)(2,4)(5,8)(6,7)(9,13,14,10)(11,16,12,15)(17,22,23,20)(18,19,24,21)(25,29,30,26)(27,32,31,28)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.