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)(19,23,26,28)(25,31,32,30)(1,2,4,5)(3,6,7,8)(9,11)(10,13)(12,15)(14,16)(17,18,22,21)(19,23,26,28)(20,24,27,29)(25,30,32,31)(1,3,4,7)(2,6,5,8)(11,15)(13,16)(17,19)(18,23)(20,25)(21,28)(22,26)(24,30)(27,32)(29,31)(2,5)(6,8)(17,20,22,27)(18,24,21,29)(19,25,26,32)(23,30,28,31)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.