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