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