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