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