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