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