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