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