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