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