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