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