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