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