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