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