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