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