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