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