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