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