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