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