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