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