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