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