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