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