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