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