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