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