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