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