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