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