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