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