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