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)(8,14)(12,15)(13,16)(17,18,20,30,22,25,21,24)(19,26,31,27,29,32,28,23)(2,6)(4,14)(7,10)(8,9)(11,12)(15,16)(17,19,21,28,22,29,20,31)(18,23,24,32,25,27,30,26)(1,2)(3,7)(4,8)(5,9)(6,14)(10,11)(12,16)(13,15)(17,18,22,25)(19,27,29,23)(20,24,21,30)(26,28,32,31)(1,3,5,13)(2,7,9,15)(4,12,14,11)(6,10,8,16)(17,18,22,25)(19,27,29,23)(20,30,21,24)(26,31,32,28)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.