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