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