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