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