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