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