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