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