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