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