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