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