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