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