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