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