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