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