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