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