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