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