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