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