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