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