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