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