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