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