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