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