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