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