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