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