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