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