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