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