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