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