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