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