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