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