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