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