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