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