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