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)(17,18,22,29,23,28,38,27)(19,30,33,42,34,24,39,43)(20,35,37,45,21,26,36,25)(31,41,48,40,32,46,47,44)(1,3)(2,6)(4,7)(5,8)(9,10)(11,15)(12,14)(13,16)(17,19,23,34)(18,24,28,30)(20,32,21,31)(22,33,38,39)(25,44,45,40)(26,46,35,41)(27,42,29,43)(36,48,37,47)(1,2,5,4)(3,6,8,7)(9,11)(10,13)(12,16)(14,15)(17,20)(18,25)(19,31)(21,23)(22,36)(24,40)(26,29)(27,35)(28,45)(30,44)(32,34)(33,47)(37,38)(39,48)(41,43)(42,46)(1,2,5,4)(3,7,8,6)(11,16)(13,15)(17,21,23,20)(18,26,28,35)(19,32,34,31)(22,36,38,37)(24,41,30,46)(25,27,45,29)(33,47,39,48)(40,42,44,43)(1,4,5,2)(3,7,8,6)(10,14)(13,15)(17,22,23,38)(18,27,28,29)(19,33,34,39)(20,36,21,37)(24,42,30,43)(25,35,45,26)(31,47,32,48)(40,46,44,41)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.