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