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