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