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