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