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