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