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