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