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