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