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