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