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