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