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