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