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