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