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