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