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