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