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