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