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