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