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