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