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