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