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