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