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