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