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