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