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