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