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)(19,22,25,32)(20,21,24,31)(27,28,29,30)(33,34)(35,46)(36,44)(37,39)(38,42)(40,45)(41,48)(43,47)(1,2,5,6)(3,9,11,7)(4,8,12,13)(10,15,16,14)(17,19)(18,22)(20,29)(21,30)(23,25)(24,27)(26,32)(28,31)(33,35,40,48)(34,41,45,46)(36,47,38,37)(39,42,43,44)(4,12)(8,13)(10,16)(14,15)(19,25)(22,32)(27,29)(28,30)(33,36,40,38)(34,42,45,44)(35,47,48,37)(39,41,43,46)(1,2)(3,9)(4,8)(5,6)(7,11)(10,15)(12,13)(14,16)(17,20)(18,21)(19,27)(22,28)(23,24)(25,29)(26,31)(30,32)(33,37)(34,43)(35,36)(38,48)(39,45)(40,47)(41,44)(42,46) involution — undirected(1,3,5,11)(2,7,6,9)(4,10,12,16)(8,14,13,15)(17,21)(18,24)(19,28)(20,26)(22,29)(23,31)(25,30)(27,32)(33,38,40,36)(34,44,45,42)(35,47,48,37)(39,41,43,46)(1,4,5,12)(2,8,6,13)(3,10,11,16)(7,14,9,15)(17,22,23,32)(18,25,26,19)(20,28,24,30)(21,29,31,27)(33,39,40,43)(34,37,45,47)(35,42,48,44)(36,46,38,41)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.