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