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