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