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