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)(17,18,24,21)(19,28,20,32)(22,27,23,26)(25,31,29,30)(4,11)(6,12)(10,15)(13,16)(17,19,24,20)(18,25,21,29)(22,31,23,30)(26,32,27,28)(1,2,5,8)(3,7,9,14)(4,12,11,6)(10,16,15,13)(17,20,24,19)(18,25,21,29)(22,30,23,31)(26,32,27,28)(1,3)(2,7)(4,10)(5,9)(6,13)(8,14)(11,15)(12,16)(17,21,24,18)(19,29,20,25)(22,27,23,26)(28,30,32,31)(3,9)(7,14)(10,15)(13,16)(18,21)(25,29)(26,27)(28,32) 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.