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