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