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