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