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