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