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