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