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