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