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)(19,22)(20,30)(21,26)(23,25)(24,27)(28,31)(29,32)(33,34,39,42)(35,40,44,38)(36,45,37,41)(43,48,46,47)(1,2,6,3)(4,7,11,9)(5,8,13,10)(12,14,16,15)(17,19,23,27)(18,24,25,22)(20,28,26,32)(21,31,30,29)(33,35)(34,40)(36,46)(37,43)(38,42)(39,44)(41,48)(45,47)(4,11)(5,13)(7,9)(8,10)(18,25)(21,30)(22,24)(29,31)(33,36,39,37)(34,41,42,45)(35,43,44,46)(38,48,40,47)(1,3,6,2)(4,7,11,9)(5,10,13,8)(12,14,16,15)(17,20)(18,21)(19,28)(22,29)(23,26)(24,31)(25,30)(27,32)(33,37,39,36)(34,41,42,45)(35,43,44,46)(38,47,40,48)(1,4)(2,7)(3,9)(5,12)(6,11)(8,14)(10,15)(13,16)(17,21)(18,26)(19,29)(20,25)(22,32)(23,30)(24,28)(27,31)(33,38)(34,35)(36,47)(37,48)(39,40)(41,46)(42,44)(43,45) involution — undirected(1,5,6,13)(2,8,3,10)(4,12,11,16)(7,14,9,15)(17,22,23,24)(18,27,25,19)(20,29,26,31)(21,32,30,28)(33,35)(34,38)(36,46)(37,43)(39,44)(40,42)(41,47)(45,48)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.