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