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