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