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