One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,5,4)(3,7,8,6)(9,10)(11,13)(12,14)(15,16)(17,18,22,26)(19,27,30,23)(20,31,34,39)(21,25,37,44)(24,32,41,28)(29,42,35,38)(33,47,36,48)(40,46,43,45)(1,3)(2,6)(4,7)(5,8)(9,10)(11,15)(12,14)(13,16)(17,19,22,30)(18,23,26,27)(20,32,34,28)(21,35,37,29)(24,39,41,31)(25,42,44,38)(33,45,36,46)(40,47,43,48)(1,2,5,4)(3,6,8,7)(9,11)(10,13)(12,16)(14,15)(17,20,19,28,22,34,30,32)(18,24,23,31,26,41,27,39)(21,36,29,46,37,33,35,45)(25,43,38,48,44,40,42,47)(1,2,5,4)(3,7,8,6)(11,16)(13,15)(17,21,22,37)(18,25,26,44)(19,29,30,35)(20,33,34,36)(23,38,27,42)(24,40,41,43)(28,45,32,46)(31,47,39,48)(1,4,5,2)(3,7,8,6)(10,14)(13,15)(18,26)(20,34)(21,37)(23,27)(28,32)(29,35)(40,43)(47,48)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.