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