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