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