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