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