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)(19,21)(20,28)(22,23)(24,26)(25,30)(27,31)(29,32)(34,38)(35,41)(36,44)(46,48)(1,3,7,5)(2,8,4,11)(6,10,14,13)(9,15,12,16)(18,23)(19,26)(25,28)(27,32)(33,34,37,38)(35,39,41,42)(36,40,44,45)(43,46,47,48)(2,4)(3,5)(9,12)(10,13)(17,19)(18,24)(20,27)(21,23)(22,26)(25,31)(28,29)(30,32)(33,34,37,38)(35,42,41,39)(36,40,44,45)(43,48,47,46)(1,4,7,2)(3,8,5,11)(6,12,14,9)(10,15,13,16)(17,19)(18,24)(20,27)(21,23)(22,26)(25,31)(28,29)(30,32)(33,34)(35,39)(36,40)(37,38)(41,42)(43,46)(44,45)(47,48)(1,5,7,3)(2,8,4,11)(6,13,14,10)(9,15,12,16)(17,20,22,30)(18,25,23,28)(19,27,26,32)(21,29,24,31)(33,35,37,41)(34,39,38,42)(36,43,44,47)(40,46,45,48)(1,6)(2,9)(3,10)(4,12)(5,13)(7,14)(8,15)(11,16)(17,21,22,24)(18,19,23,26)(20,29,30,31)(25,27,28,32)(33,36,37,44)(34,40,38,45)(35,43,41,47)(39,46,42,48)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.