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