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