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