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