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