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