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