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