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)(11,15,16,12)(17,18,20,22)(19,23,24,21)(26,28)(27,32)(2,5)(3,7)(9,11,13,16)(10,12,14,15)(17,19,20,24)(18,21,22,23)(25,26)(27,30)(28,29)(31,32)(2,5)(6,8)(11,16)(12,15)(17,19)(18,21)(20,24)(22,23)(25,27,29,32)(26,30,28,31)(1,3)(2,6)(4,7)(5,8)(9,10)(11,15)(12,16)(13,14)(17,19)(18,21)(20,24)(22,23)(25,28,29,26)(27,31,32,30)(1,2)(3,8)(4,5)(6,7)(9,12,13,15)(10,11,14,16)(17,18)(19,23)(20,22)(21,24)(25,27)(26,31)(28,30)(29,32)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.