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