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