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