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