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