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