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