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