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