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