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