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