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)(17,18,22,19,21,24,30,26)(20,27,29,32,28,25,31,23)(2,6,9,8)(7,14,15,10)(17,19,22,24,21,26,30,18)(20,23,29,27,28,32,31,25)(1,2)(3,7)(4,8)(5,9)(6,11)(10,12)(13,15)(14,16)(17,20,21,28)(18,23,24,32)(19,25,26,27)(22,31,30,29)(1,3,11,16,5,13,4,12)(2,7,6,14,9,15,8,10)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.