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