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