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