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