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