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