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