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