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)(12,16)(18,22)(20,24)(25,26)(27,31)(28,30)(29,32)(9,10,14,15)(11,16,13,12)(25,27,30,29)(26,31,28,32)(1,2)(3,5)(4,6)(7,8)(9,11,14,13)(10,16,15,12)(17,18,21,22)(19,20,23,24)(25,28,30,26)(27,31,29,32)(1,3,4,8)(2,5,6,7)(9,12)(10,11)(13,15)(14,16)(17,19,21,23)(18,20,22,24)(1,2)(3,5)(4,6)(7,8)(9,13,14,11)(10,16,15,12)(17,20)(18,23)(19,22)(21,24)(25,29,30,27)(26,31,28,32)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.