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