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