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