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