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