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