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