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