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