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