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