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