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