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