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