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