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