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