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