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)(33,34,38,39)(35,41,44,40)(36,37,45,46)(42,47,48,43)(1,3,7,5)(2,8,10,6)(4,11,12,14)(9,15,16,13)(19,30)(21,31)(24,29)(26,32)(34,39)(36,45)(40,41)(42,48)(3,5)(4,12)(6,8)(9,16)(17,19,23,30)(18,24,28,29)(20,21,27,31)(22,26,25,32)(33,34)(35,40)(36,37)(38,39)(41,44)(42,43)(45,46)(47,48)(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)(33,35,38,44)(34,40,39,41)(36,42,45,48)(37,43,46,47)(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)(33,36)(34,37)(35,42)(38,45)(39,46)(40,43)(41,47)(44,48)(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)(33,37)(34,36)(35,43)(38,46)(39,45)(40,42)(41,48)(44,47)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.