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