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