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