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