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