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