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