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