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