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