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