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