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