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