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