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