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