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