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