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