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