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