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