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