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