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