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