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