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