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