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