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