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