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