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