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